<?xml version="1.0" encoding="utf-8"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:eg="http://xbrl.org/formula/conformance/example" xmlns:formula="http://xbrl.org/2008/formula" xmlns:variable="http://xbrl.org/2008/variable" xmlns:label="http://xbrl.org/2008/label" targetNamespace="http://xbrl.org/formula/conformance/example" elementFormDefault="qualified" attributeFormDefault="unqualified">
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />

  <element 
    id="c1" 
    name="c1" 
    type="xbrli:stringItemType" 
    substitutionGroup="xbrli:item" 
    xbrli:periodType="instant" 
    nillable="true" />

  <element 
    id="c2" 
    name="c2" 
    type="xbrli:doubleItemType" 
    substitutionGroup="xbrli:item" 
    xbrli:periodType="instant" 
    nillable="true" />

  <element 
    id="c3" 
    name="c3" 
    type="xbrli:fractionItemType" 
    substitutionGroup="xbrli:item" 
    xbrli:periodType="instant" 
    nillable="true" />

  <element id="c4" name="c4" substitutionGroup="xbrli:tuple" nillable="true">
    <complexType>
      <complexContent>
        <restriction base="anyType">
          <sequence>
            <any minOccurs="0" maxOccurs="unbounded"/>
          </sequence>
          <attribute name="id" type="ID" />
        </restriction>
      </complexContent>
    </complexType>
  </element>

</schema>